BSD UNIX transport API: The Socket Interface 15 February, 2001 The - PDF document

BSD UNIX transport API: The Socket Interface most networking applications can be divided into two

430 views • 5 slides

What is a socket? Socket Programming Socket: An interface between an application process and

What is a socket? Socket Programming Socket: An interface between an application process and transport layer The application process can send/receive messages to/from another application process (local or remote)via a socket Kameswari

331 views • 6 slides

Socket Programming CS457, FA 11 What is a socket? Basically, a socket is just a file

Socket Programming CS457, FA 11 What is a socket? Basically, a socket is just a file descriptor that your application can use to read and write data from. Stream and Datagram sockets provide an interface to the transport layer of the

419 views • 14 slides

Network Programming UNIX Internet Socket API Everything in Unix is a File When Unix programs

Network Programming UNIX Internet Socket API Everything in Unix is a File When Unix programs do any sort of I/O, they do it by reading or writing to a file descriptor. A file descriptor is simply an integer associated with an open file.

612 views • 47 slides

Socket Service Types The following socket types are defined: 1. SOCK_STREAM : stream socket 2.

Socket Service Types The following socket types are defined: 1. SOCK_STREAM : stream socket 2. SOCK_DGRAM : datagram socket 3. SOCK_RAW : raw-protocol interface 4. SOCK_RDM : reliably-delivered message 5. SOCK_SEQPACKET : sequenced packet stream

307 views • 27 slides

Unix Network Programming The socket struct and data handling System calls Based on Beej's Guide

Introduction to Computer Networks Polly Huang EE NTU Unix Network Programming The socket struct and data handling System calls Based on Beej's Guide to Network Programming 1 The Unix Socket A file descriptor really The Unix fact

575 views • 18 slides

CS519: Computer Networks Lecture 5, Part 2: Mar 8, 2004 Transport: TCP mechanics ( RFCs: 793,

CS519: Computer Networks Lecture 5, Part 2: Mar 8, 2004 Transport: TCP mechanics ( RFCs: 793, 1122, 1323, 2018, 2581) TCP as seen from above the socket CS519 The TCP socket interface consists of: Commands to start the connection

483 views • 27 slides

Socket programming Goal: learn how to build client/server application that communicate using

Socket programming Goal: learn how to build client/server application that communicate using sockets Socket API socket 5: Socket Programming introduced in BSD4.1 UNIX, a host-local , application- 1981 created/owned , Sockets are

404 views • 8 slides

Unix Network Programming The socket struct and data handling System calls Based on Beej's Guide

Introduction to Computer Networks Polly Huang EE NTU http://cc.ee.ntu.edu.tw/~phuang phuang@cc.ee.ntu.edu.tw Unix Network Programming The socket struct and data handling System calls Based on Beej's Guide to Network Programming 1 The Unix

293 views • 17 slides

Administrative: Rock.c The Operating System & System Calls UNIX history - more on

Outline Previously (and Chap 1 & 2 from text) Covered Brief UNIX history/interface UNIX overview - process, shell, file Brief intro to basic file I/O - open(), close(), read(), write(), lseek(), fprintf (library call) Unix System

262 views • 4 slides

UNIX michael.fink@uibk.ac.at 2017 Overview History Practicalities User Interface Shell

UNIX michael.fink@uibk.ac.at 2017 Overview History Practicalities User Interface Shell Toolbox Processes Users, Groups File System Development System Cluster Computing UNIX / Linux History 1969 UNIX at Bell Labs (antithesis to

1.4k views • 112 slides

SSL and TLS SSL Secure Socket Layer TLS Transport Layer Security The common

SSL and TLS SSL Secure Socket Layer TLS Transport Layer Security The common standards for securing network applications in Internet E.g., web browsing Essentially, standards to negotiate, set up, and apply crypto

2.93k views • 13 slides

Crash Course in Unix For more info check out the Unix man pages -or-

Crash Course in Unix For more info check out the Unix man pages -or- http://www.cs.rpi.edu/~hollingd/unix -or- Unix in a Nutshell (an OReilly book). 1 Unix Accounts To access a Unix system you need to have an account . Unix

1.05k views • 84 slides

Outline ! Socket basics ! TCP sockets ! Socket details ! Socket options Computer Networks ! Final

Outline ! Socket basics ! TCP sockets ! Socket details ! Socket options Computer Networks ! Final notes Sockets Socket Basics Ports ! An end-point for a IP network connection ! Numbers (vary in BSD, Solaris): what the application layer

318 views • 5 slides

Outline ! Socket basics ! TCP sockets ! Socket details ! Socket options Operating Systems ! Final

Outline ! Socket basics ! TCP sockets ! Socket details ! Socket options Operating Systems ! Final notes ! Project 3 Sockets Socket Basics Ports ! An end-point for a IP network connection ! Numbers (vary in BSD, Solaris): what the

279 views • 4 slides

1 Example: Java client (TCP) Example: Java client (TCP), cont. import java.io.*; import

Socket-programming using TCP Socket: a door between application process and end- end-transport protocol (UCP or TCP) TCP service: reliable transfer of bytes from one Socket Programming process to another controlled by controlled by process

453 views • 3 slides

Lecture 13 Transport Layer Security/ Secure Socket Layer (TLS/SSL) (Chapter 9 in KPS) SSL:

Lecture 13 Transport Layer Security/ Secure Socket Layer (TLS/SSL) (Chapter 9 in KPS) SSL: Secure Sockets Layer v widely deployed security v original goals: protocol Web e-commerce supported by almost all transactions browsers, web

570 views • 21 slides

Lecture 14 Transport Layer Security/ Secure Socket Layer (TLS/SSL) (Chapter 9 in KPS) SSL:

Lecture 14 Transport Layer Security/ Secure Socket Layer (TLS/SSL) (Chapter 9 in KPS) SSL: Secure Sockets Layer v widely deployed security v original goals: protocol Web e-commerce transactions supported by almost all browsers,

609 views • 21 slides

Where can UNIX be used? Real Unix computers Introduction to Unix: Introduction to Unix:

1/19/2010 Where can UNIX be used? Real Unix computers Introduction to Unix: Introduction to Unix: tak, the Whitehead Scientific Linux server t k th Whit h d S i tifi Li most important/useful commands & Apply

259 views • 8 slides

Files This Week: Read Chapter 3 Administrative: Rock.c The Operating System &

Outline Previously (and Chap 1 & 2 from text) Covered Brief UNIX history/interface UNIX overview - process, shell, file Brief intro to basic file I/O - open(), close(), read(), write(), lseek(), fprintf (library call) Unix System

534 views • 14 slides

Module 21: The Unix System History Design Principles Programmer Interface User

Module 21: The Unix System History Design Principles Programmer Interface User Interface Process Management Memory Management File System I/O System Interprocess Communication Silberschatz and Galvin 1999

1.08k views • 62 slides

Module 20: The Unix System History Design Principles Programmer Interface User

Module 20: The Unix System History Design Principles Programmer Interface User Interface Process Management Memory Management File System I/O System Interprocess Communication Silberschatz, Galvin, and Gagne

849 views • 62 slides

Operating System API Case study: UNIX shell Unix shell Provides interactive command execution

Operating System API Case study: UNIX shell Unix shell Provides interactive command execution Was part of OS kernel initially, now a normal program The shell interface looks like this: $ _ Prompt Keyboard cursor Unix shell $ cat

474 views • 22 slides

CIS 118 Intro to UNIX Bourne Again Shell (BASH) CIS 118: Intro to UNIX Shell

CIS 118 Intro to UNIX Bourne Again Shell (BASH) CIS 118: Intro to UNIX Shell Characteristics Command-line interface between the user and the system Automatically starts when you log in, waits for user to type in commands A

380 views • 19 slides